Data receiver



June 27, 1967 A. BROTHMAN ETAL 3,328,758

DATA RECEIVER 22 Sheets-Sheet 1 Filed Dec. 5, 1962 June 27, 1957 A. BROTHMAN ETAL 3,328,758

DATA RECEIVER 22 Sheets-Sheet 2 Filed Dec.

June 27, 1967 A BROTHMAN ETAL 3,328,758

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DATA RECEIVER 22 Sheets-Sheet 4 Filed Dec. 5v. 1962 .WMMI

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22 Sheets-Sheet WWE June 27, 1967 A. BROTHMAN ET AL DATA RECEIVER 22 Sheets-'Sheet x Filed Dec.

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DATA RECEIVER Filed Dec. 5, 1962 22 Sheets-$heet June 27, 1967 A. BRoTI-IMAN ETAL 3,328,758

DATA RECEIVER Filed Dec. 5, 1962 22' Sheets-Sheet E June 27, 1967 A, BROTHMAN ETAL 3,328,758

DATA RECEIVER 22 Sheets-Sheet if;

Filed Dec. 3, 1962 `lune 27, 1967 A. BROTHMAN ETAL DATA RECEIVER 22 Sheets-Sheet lO Filed Dec.

June 27, 1967 A. BROTHMAN ETAL 3,328,758

DATA RECEIVER Filed Dec. 3, 1962 22 Sheets-Sheet 11 .b -El June 27, 1967 A. BROTHMAN ETAL 3,328,758

DATA RECEIVER Filed Dec. s, 1962 22 sheets-sheet 12 S v l\ s. D ,J0

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June 27, 1967 A. BROTHMAN ETAL 3,328,758

DATARECEIVER 22 Sheets-Sheet l 5 Filed Dec. 5, v1962 June 27, 1967 A. BROTHMAN ETAL 3,328,758

DATA RECEIVER 22 Sheets-Sheet 14 Filed Dec.

June 27, 1967 Filed DeC.

A. BROTHMAN ETAL DATA RECEIVER 22 Sheets-Sheet 15 June 27, 1967 A, BROTHMAN ETAL 3,328,758

DATA RECEIVER Filed Deo. 5, 1962 22 Sheets-Sheet 16 a H. /Z` (/7) n.

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` DATA RECEIVER Filed Dec. 5, 1962 22 Sheets-Sheet 18 fill June 27, 1967 A BRQTHMAN ETAL 3,328,758

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3. FOR USE IN RECEIVING ELECTRICAL SIGNALS HAVING ALTERNATELY INTERSPERSED DATA AND SYNCHRONIZING SIGNAL ELEMENTS WHEREIN A PREDETERMINED GROUP OF DATA ELEMENTS REPRESENT AN INFORMATION CHARACTER IN AN ENCODED FORM, A DATA RECEIVER COMPRISING FIRST MEANS FOR RECEIVING SAID ELECTRICAL SIGNALS; SECOND MEANS FOR SEPARATING SAID DATA ELEMENTS FROM SAID SYNCHRONIZING ELEMENTS; THIRD MEANS CONNECTED TO SAID SECOND MEANS FOR IDENTIFYING A GROUP OF DATA ELEMENTS, FOURTH MEANS CONNECTED TO SAID THIRD MEANS FOR PERFORMING A VALIDITY CHECK ON SAID DATA GROUP; FIFTH MEANS FOR STORING DATA GROUPS CHECKED BY SAID FOURTH MEANS; SAID FOURTH MEANS INCLUDING MEMORY MEANS FOR STORING THE LAST RECEIVED DATE GROUP; SAID MEMORY MEANS BEING ADAPTED TO GENERATE SIGNALS FOR DETERMINING THE IDENTITY OF THE NEXT RECEIVED DATA GROUP; SIXTH MEANS FOR COMPARING THE SIGNALS FROM SAID MEMORY MEANS WITH SAID NEXT RECEIVED DATA GROUP TO DETERMINE THE VALIDITY THEREOF. 